新街台格庙矿区斜井隧道双模式盾构关键掘进参数配置研究

为了解决盾构关键掘进参数的合理配置问题,实现盾构在不同地层条件下安全、快速、高效掘进,以新街矿区斜井隧道工程为依托,在研究斜井隧道工程地质条件的基础上,提出了双模盾构掘进参数配置的原则;分析计算双模式盾构在2种掘进模式下的最大切深、土舱压力以及盾构推力、刀盘扭矩等关键掘进参数,确定了在EPB模式和单护盾TBM模式下的最大切深分别为28r/min和19 r/min,并提出了在6个地质区间下双模盾构关键掘进参数的配置建议。

Study on Key Boring Parameters of Dual-mode Shield Used for Inclined Shaft of Xinjie Taigemiao Mines

The configuration principle of boring parameters for dual mode shield is proposed on basis of the study on the geological conditions of the inclined shaft of Xinjie Taigemiao mines, so as to solve the problem of proper configuration of key boring parameters of the shield and to realize safe, rapid and high efficient shield boring. The key boring parameters of dual mode shield under two boring modes, including the maximum cutting depth, chamber pressure, shield thrusting force and cutter head torque, are analyzed. It is determined that the maximum cutting depth of dual mode shield under EPB mode should be 28 r/min, and that under single shield TBM mode should be 19 r/min. Furthermore, suggestion is made on the parameters of dual mode shield boring in 6 sections with different geological conditions.